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Precalculus - Khan Academy FREE

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reported by Khan_academy (19 courses)

updated 11/10/2015

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Non-trigonometry pre-calculus topics. Solid understanding of all of the topics in the "Algebra" playlist should make this playlist pretty digestible.

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Lessons
1) Binomial Theorem (part 1) Introduction to raising (a+b)^n 524 views watch video
2) Binomial Theorem (part 2) Binomial Theorem and Pascal's Triangle 710 views watch video
3) Binomial theorem combinatorics connection \| Algebra II Intuition behind why binomial expansion involves combinatorics 830 views watch video
4) Polar coordinates 1 \| Parametric equations and polar coordinates \| Precalculus Introduction to polar coordinates 658 views watch video
5) Polar coordinates 2 \| Parametric equations and polar coordinates \| Precalculus Conversion from Cartesian to Polar Coordinates 643 views watch video
6) Polar coordinates 3 \| Parametric equations and polar coordinates \| Precalculus Converting between Cartesian and Polar functions 552 views watch video
7) Parametric equations 1 \| Parametric equations and polar coordinates \| Precalculus Introduction to parametric equations 530 views watch video
8) Parametric equations 2 \| Parametric equations and polar coordinates \| Precalculus Eliminating the parameter 740 views watch video
9) Parametric equations 3 \| Parametric equations and polar coordinates \| Precalculus Removing the parameter from a more interesting example 531 views watch video
10) Parametric equations 4 \| Parametric equations and polar coordinates \| Precalculus Parametric Equations that "move" along the same path 583 views watch video
11) Basic complex analysis \| Imaginary and complex numbers \| Precalculus Argand Diagram, magnitude, modulus, argument, exponential form 579 views watch video
12) Exponential form to find complex roots \| Imaginary and complex numbers \| Precalculus Using exponential form to find complex roots 509 views watch video
13) Complex conjugates \| Imaginary and complex numbers \| Precalculus Complex Conjugates 473 views watch video
14) Series sum example \| Sequences, series and induction \| Precalculus 2010 IIT JEE Paper 1 Problem 54 Series Sum 475 views watch video
15) Complex determinant example \| Imaginary and complex numbers \| Precalculus 2010 IIT JEE Paper 1 Problem 53 Complex Determinant 504 views watch video
16) 2003 AIME II problem 8 \| Sequences, series and induction \| Precalculus Sequence from the product of 2 arithmetic sequences 693 views watch video
17) Logarithmic scale \| Logarithms \| Algebra II Understanding how logarithmic scale is different from linear scale and why it could be useful 566 views watch video
18) Vi and Sal explore how we think about scale \| Algebra II Vi Hart (http://www.youtube.com/vihart) and Sal talk about how we humans perceive things nonlinearly 685 views watch video
19) Vi and Sal talk about the mysteries of Benford's law \| Logarithms \| Algebra II Vi Hart visits Khan Academy and talks about Benford's Law with Sal 597 views watch video
20) Benford's law explanation (sequel to mysteries of Benford's law) \| Algebra II Vi and Sal talk through the intuition of Benford's law (part 2) 679 views watch video